All designs, drawings, specifications and other data (hereafter called "Technical Data"), which are attached hereto are the property of AP. and are loaned to the Contractor for the purpose of compiling the bids. Such technical data shall not be disclosed to any third person except for the purpose of obtaining bids and under a written obligation of secrecy substantially identical hereto. All such technical data shall be returned to PT. Air Products East Kalimantan, promptly upon demand.